On Thu, 30 Apr 2020 10:46:11 -0700, Tony Lindgren wrote:

Add a binding document for a generic serdev-ngsm driver that can be
used to bring up TS 27.010 line discipline with Linux n_gsm support
on a serial port.

As the Motorola Mapphone modems require some custom handling, they
are handled with a separate compatible.

Let's also add vendor string for ETSI as we're using a ETSI 3GPP
TS 27.010 standard.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 .../bindings/serdev/serdev-ngsm.yaml          | 64 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serdev/serdev-ngsm.yaml

Reviewed-by: Rob Herring <robh@kernel.org>